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If you're looking for a total count in one location, no, I don't think there is any way to see the total count that you have. They left out a total count for silver keys as well that's easy to access in the new menu.

You can view the map in the Sanctuary and hover over a location to see if you've received the golden key for each individual open location as it will show you either 0/0 if there's no key there, 0/1 if you haven't found the key, or 1/1 if you have found the golden key there. This only works for locations that you have opened through the quest so when you start out you'll only see just a few locations.